error in ds_simulate

[Gunjan Sharma]

I installed dynasim from matlab addons option.

When I tried running dstutrial.m  ,I got error as :

"Error:File: dsSimulate.m Line: 812 Column: 64

Identifier 'sim_id' is not a function or a shared variable. To share 'sim_id' with nested function, initialize it in the current

scope"

I tried running some other examples like harmonicOscillator.m and got same error.

I am currently using matlab R2020b .

Please help me resolve this issue.

Thanks,

Gunjan

[Erik Roberts]

It looks like newer versions of Matlab have changed the way variable scope is handled. Jason updated the GitHub code a few days ago so it should now be fixed on the master branch:

https://github.com/DynaSim/DynaSim/commit/87cb1f5227f0fc2be13a4128d421b96d0f532f0d

Erik

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[Gunjan Sharma]

Hello Eric,

Thank you for replying.

The error I had earlier got corrected ,however some other errors popped up. It seems that  the code is not compatible with matlab version r2020b.

I tried running the code on octave 5.1.0.0 and it worked fine.  So , from now I will be working  on the same .

Thanks

Gunjan

[Jason Sherfey]

Hi Gunjan,

Thanks for sharing the bug you found. Several additional changes have now been made to the development version of dynasim to make it compatible with newer versions of Matlab. I tested it using R2019b but do not have access to 2020b. Could you try running the "dev" version located here: https://github.com/DynaSim/DynaSim/tree/dev. If that works for you, I'll update the main version with the other changes.

Thanks,

Jason

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[Gunjan Sharma]

Thank you Jason, the code is working now.